Forest Vegetation Response to Changes in Air Pollution and Climate (McDonnell presentation to Fall 2024 NADP)
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This presentation is an overview of two projects led by E&S Environmental Chemistry, Inc. under contract with the EPA and the National Park Service, on forest vegetation responses to changes in air pollution and climate. One project uses new methods of Hierarchical Bayesian Modeling, to extend our understanding of tree responses to atmospheric deposition of N and S, as well as responses to climate change and other factors. The other project project uses the model PROPS to estimate understory vegetation responses to various global change factors for 176 National Parks. Both of these projects are in progress thus results and conclusions are preliminary.